.billDetail {
    --ka-text-color: #191d26;
  
    height: 100%;
    // background-image: linear-gradient(
    //   180deg,
    //   #daf2e1,
    //   rgba(218, 242, 225, 0) 100%
    // );
    background-image: url(https://zqran.gitee.io/images/ka/bill-bg.png);
    background-size: 100% 380px;
    background-repeat: no-repeat;
    background-color: rgba(245, 245, 245, 0.9);
    color: var(--ka-text-color);
  
    .nav {
      --adm-font-size-10: 16px;
      color: #121826;
      background-color: transparent;
      &::after {
        height: 0;
      }
  
      .nav-title {
        display: flex;
        align-items: center;
        justify-content: center;
      }
      .arrow {
        display: inline-block;
        width: 7px;
        height: 7px;
        margin-top: -3px;
        margin-left: 9px;
        border-top: 2px solid #121826;
        border-left: 2px solid #121826;
        transform: rotate(225deg);
        transform-origin: center;
        transition: all 0.3s;
      }
      .expand {
        transform: translate(0, 2px) rotate(45deg);
      }
    }
  
    .content {
      height: 573px;
      overflow-y: scroll;
  
      > .overview {
        width: 290px;
        padding: 20px;
      }
  
      .monthBill {
        --ka-text-color: #888c98;
        height: 75px;
        padding: 15px;
        margin: 10px;
        border-radius: 10px;
        background: #ffffff;
  
        .date {
          margin-bottom: 10px;
          font-size: 16px;
        }
      }
    }
  }
  